Hi Toni, can you send me the OCC source and the model for checking??
Greets, Patrik -------- Original-Nachricht -------- Datum: Thu, 8 Feb 2007 16:42:15 +0100 (CET) Von: Akos Balazs <[EMAIL PROTECTED]> An: [email protected] CC: Betreff: Re: [Opensg-users] Nurbs.... > Hi Toni, > > On Thu, 8 Feb 2007, Antonio Bleile wrote: > > > I'm playing around with the nurbs in OpenSG.... I copied from the > > testSurfaceRender.cpp example. I create some Nurbs surfaces from a CAD > > model and save the whole scene into a osb. When I try to open the > > resulting osb in VRED (latest dailybuild) I don't see any geometry. But > > when I select all surface nodes I see the correct bounding boxes! It's > > as if the surfaces were transparent/not rendered. This must be a newbie > > bug.... Any suggestions? > > Generally the .osb support is somewhat flaky, we played around with the > dirtyMask with Andreas and Dirk but I don't think we came to a final > conclusion regarding .osb yet. :-) > > > When I call "surface->forceTessellate()" > > > > I get messages like this: > > > > LOG: 4294967295x4294967295:4 > > LOG: Surface::tessellate: inconsistent attributes > > > > That might be the problem, but what does it mean??? > > > it means that the program finds 4 controlpoints but it expects a lot more > which is nonsense, it's probably an underflow as this is stored as UInt32. > Most probably your knotvectors are too short, clamped knotvectors are > expected just like in OpenGL or OpenInventor. If you exported your model > >from Maya, that has a wellknown "feature" of supplying two start/end > knotpoints less than anything else, at least versions from a few years ago > did so. :-) > > Sorry it's EG deadline so I don't have more time to explain but feel free > to ask me tomorrow or send me your models/testapp and I can take a look > but not today. > > HTH, > Akos > > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job > easier. > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > Opensg-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/opensg-users -- "Feel free" - 5 GB Mailbox, 50 FreeSMS/Monat ... Jetzt GMX ProMail testen: http://www.gmx.net/de/go/promail?ac=OM.GX.GX003K11711T4781a ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Opensg-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/opensg-users
